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DEFINED CONTRIBUTION PLANS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Dec. 25, 2015
Compensation and Retirement Disclosure [Abstract]      
Deferred compensation liability, current and noncurrent $ 24.1 $ 17.8  
Deferred compensation arrangement with individual, compensation expense $ 6.1 $ 2.8 $ 2.8